
#import <Foundation/Foundation.h>

@interface NSString (UDCategory)

- (NSString*)stringByAddingQueryDictionary:(NSDictionary*)query;
- (NSString*)stringByAddingURLEncodedQueryDictionary:(NSDictionary*)query;
- (NSString*)urlEncoded;
- (NSString*)urlDecoded;
- (NSString *)md5Hash;
- (NSString *)sha1Hash;
- (BOOL)isEmail;

@end
